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Nitrogen adsorption with highly Li exchanged X-zeolites with low Si/Al ratio 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/04
출원번호 US-0957532 (1992-10-05)
발명자 / 주소
  • Kirner John F. (Orefield PA)
출원인 / 주소
  • Air Products and Chemicals, Inc. (Allentown PA 02)
인용정보 피인용 횟수 : 41  인용 특허 : 0

초록

Low silica X (LSX) zeolites having a framework Si/Al ratio equal to 1.0 with lithium exchange levels greater than a threshold level of 70% exhibit unexpectedly higher capacity for nitrogen adsorption compared to LSX-zeolite with lower lithium exchange levels. These materials provide high performance

대표청구항

A process for adsorbing nitrogen from a gas containing nitrogen which comprises contacting the gas with an adsorbent which is selective for the adsorption of nitrogen, comprising a crystalline X-zeolite having a zeolitic Si/Al ratio less than 1.25 and a lithium ion exchange level of the exchangeable

이 특허를 인용한 특허 (41)

  1. Moreau Serge,FRX ; Labasque Jacques,FRX ; Rouge Dominique,FRX, Absorbent having heterogeneous exchange factor and PSA process employing such an absorbent.
  2. Dongmin Shen ; Sudhakar R. Jale ; Frank R. Fitch ; Ravi Jain ; Arthur I. Shirley ; Yaping Lu ; Divyanshu R. Acharya, Activation processes for monolith adsorbents.
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  6. Chien-Chung Chao ; Steven J. Pontonio, Advanced adsorbent for PSA.
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  9. Mullhaupt Joseph T. (Williamsville NY) Stephenson Paula C. (East Amherst NY), Enhanced gas separations and zeolite compositions therefor.
  10. Weigel Scott Jeffrey ; MacDougall James Edward ; Coe Charles Gardner ; Xiong Yan Liang,CNX ; Martens Johan Adriaan,BEX ; Jacobs Pierre A.,BEX ; Webley Paul Anthony, Gas separation with lithium-containing ZSM-2 metallosilicates.
  11. Funakoshi Hajime,JPX ; Shirakura Yoshinori,JPX ; Yatsunami Shunsuke,JPX ; Yamamoto Kazuaki,JPX ; Ogawa Nobuhiro,JPX ; Mori Takashi,JPX ; Harada Atsushi,JPX, Heat-resistant low-silica zeolite, and process for production and application thereof.
  12. Yang, Ralph T.; Hutson, Nick D., Lithium-based zeolites containing silver and copper and use thereof for selective absorption.
  13. Haase, Richard Alan; Smaardyk, John, Manufacture of water chemistries.
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  28. Serge Moreau FR; Bernard Sardan FR, Process for separating nitrogen from less polar compounds.
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  31. Labasque Jacques,FRX ; Moreau Serge,FRX ; Rouge Dominique,FRX, Process for the separation of gas mixtures containing oxygen and nitrogen.
  32. Vigor Xavier (Paris FRX) Petit Pierre (Buc FRX) Moreau Serge (Velizy Villacoublay FRX) Sardan Bernard (Plaisir FRX), Process for the separation of nitrogen from a gaseous mixture by adsorption.
  33. Dominique Plee FR, Purification of hydrogen flowstreams by selectively adsorbing impurities therefrom.
  34. Kim, Jin-Bae; Jo, Hisanao; Yoshioka, Haruo; Kiyama, Hiromi, Selective adsorbent for nitrogen and method for separating air using the same.
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  36. Ralph T. Yang ; Joel Padin ; Salil U. Rege, Selective adsorption of alkenes using supported metal compounds.
  37. Yang, Ralph T.; Padin, Joel; Rege, Salil U., Selective adsorption of alkenes using supported metal compounds.
  38. Tonkovich,Anna Lee; Perry,Steven T.; Arora,Ravi; Qiu,Dongming; Lamont,Michael Jay; Burwell,Deanna; Dritz,Terence Andrew; McDaniel,Jeffrey S.; Rogers, Jr.,William A.; Silva,Laura J.; Weidert,Daniel J.; Simmons,Wayne W.; Chadwell,G. Bradley, Separation process using microchannel technology.
  39. Doong Shain-Jer ; Shuttleworth Andrew William ; Ambriano John R. ; Maheshwary Apurva ; Travis Ian Douglas, Single vessel gas adsorption system and process.
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  41. Haase, Richard Alan, Water combustion technology—methods, processes, systems and apparatus for the combustion of hydrogen and oxygen.
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